# CVE-2026-107326: IBM Langflow OSS OS command injection

Source: https://junglewise.ai/threats/cve-2026-107326-ibm-langflow-oss-1-0-0-through-1-12-4-could-allow-a-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-29. Updated: 2026-10-29  
License: CC BY 4.0 with a link back

CVE-2026-107326 · Severity: high · CVSS 8.8 · Published 2026-10-29

IBM Langflow OSS is a platform for building and managing AI workflows. This vulnerability allows authenticated attackers to execute arbitrary operating system commands on the server through improper input validation, potentially leading to complete system compromise, data theft, or service disruption depending on the privileges of the Langflow process.

Technologies: [IBM Langflow OSS](https://junglewise.ai/threats/technologies/langflow-oss). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-107326 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-107326 being exploited in the wild.

**How severe is CVE-2026-107326?** High severity, with a CVSS score of 8.8, published 29 October 2026.

**Which products and versions are affected?** IBM Langflow OSS 1.0.0 through 1.12.4.

**Is there a fix for CVE-2026-107326?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-107326 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-107326?** Check whether you run IBM Langflow OSS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

OS command injection in Langflow OSS due to improper neutralization of special elements in OS commands (CWE-78). The vulnerability requires authentication to exploit and has network attack vector. A low-privileged authenticated user can inject malicious commands that execute with the privileges of the Langflow server process, achieving arbitrary code execution and potential lateral movement within the environment.

## Affected products

- IBM Langflow OSS 1.0.0 through 1.12.4

## Timeline

- 2026-10-29: disclosed

## References

- [https://www.ibm.com/support/pages/node/7293016](https://www.ibm.com/support/pages/node/7293016)

## Related threats

- [IBM Langflow OSS path traversal arbitrary file read and write](https://junglewise.ai/threats/cve-2026-97677-ibm-langflow-oss-1-0-0-through-1-12-2-an-authenticated-flow)
- [IBM Langflow OSS authentication bypass](https://junglewise.ai/threats/cve-2026-93680-ibm-langflow-oss-1-0-0-through-1-12-8-could-allow-a-remote)
- [IBM Langflow OSS denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-90991-ibm-langflow-oss-1-0-0-through-1-12-4-could-allow-a-remote)
- [IBM Langflow OSS path traversal arbitrary file overwrite](https://junglewise.ai/threats/cve-2026-77819-ibm-langflow-oss-1-0-0-through-1-12-3-could-allow-a-remote)
- [IBM Langflow OSS improper sanitization of secrets in exports](https://junglewise.ai/threats/cve-2026-77817-ibm-langflow-oss-1-0-0-through-1-12-4-could-allow-a-remote)